:host {
  button {
    float: right;
    color: #fff;
    margin-top: 4px;
    height: 27px;
    border: 1px solid;
    border-radius: 4px;
    font-family: '苹方 微软雅黑';
    margin-right: 5px;
    width: 115px;
  }

  .start {
    background-color: #016030;
  }
  .stop{
    background-color: #1e4eb4;
  }
}
